Shoe upper



FIG. 1 is a right front perspective view of a shoe upper showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a right side elevational view thereof.

The broken line showing of a shoe sole in the figures is for illustrative purposes only and forms no part of the claimed design.

The surfaces of the article not shown in the drawing or described in the specification form no part of the claimed design. 

The ornamental design for a shoe upper, as shown and described. 